OpenTechnical

OT-2026-000056332

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056332) never changes.

Identity and time

Publication numberOT-2026-000056332 · never reused
Internal UUID01a0ae87-4bd2-74a0-8fe8-2e97138a6b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056332
StatusPUBLIC

Content hashes

Canonical textf61954e2047a018707887b61adcd303c7ad7d489bd0ac4377622496238e37623
Markdown96d797c890e2b41681b04536e4d9620b512e6abd1d4f9ee76ec84d92c70f9fd8
PDF
Publication page53bbc619132a1be9002758325b36c8c02e9ce777f968831806fb212ab9c6d356
Manifest94032bad0438f4b882f8a9db579b03fb600f2801ee1be2523d915757e01776d7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8WJemoZCP2vdziZa8sN75363jNj5s2/47QJ9+RMzVz++DCDC40KVgTe3lGgSaShVVXLG4xfm3bF0jh41We4FCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:50.300668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056332
observed 53bbc619132a1be9002758325b36c8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.283197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056332/manifest.json
observed 94032bad0438f4b882f8a9db579b03fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.265637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056332/publication.md
observed 96d797c890e2b41681b04536e4d9620b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.247024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056332/publication.txt
observed f61954e2047a018707887b61adcd303c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.